Finding the Fourth Proportional to 160,154.68, 221,035.50 and 92,170.30
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Solution
The fourth proportional to 160,154.68, 221,035.50 and 92,170.30 is: 127,207.70
Step by Step Solution
- Step 1: Write the proportion equation
160,154.68 : 221,035.50 = 92,170.30 : x - Step 2: Convert to fraction form
160,154.68/221,035.50 = 92,170.30/x - Step 3: Cross multiply
160,154.68x = 221,035.50 × 92,170.30 - Step 4: Simplify right side
160,154.68x = 20,372,908,345.65 - Step 5: Solve for x
x = 20,372,908,345.65/160,154.68 - Step 6: Final answer
x = 127,207.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.